Cabot Head Shale

Cabot Head Shale Stratigraphic range: Llandovery
Type	Formation
Unit of	Cataract Group
Underlies	Dayton Formation and Lime Island Formation
Overlies	Manitoulin Dolomite
Location
Region	Michigan and Ohio
Country	United States

The Cabot Head Shale is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.